Research Article
Recycled Aggregate Concrete including Various Contents of Metakaolin: Mechanical Behavior
Table 5
Results of splitting tensile strength (strength values and normalized strength).
| | Group | Mix designation | Splitting tensile | | Strength (MPa) | Normalized (to mix N00) | Normalized (to mixes: R350/R700/R1000) |
| | Reference group or G0 | N00 | 4.03 | 1 | — | | R350 | 3.94 | 0.98 | 1 | | R700 | 3.57 | 0.89 | 1 | | R1000 | 3.45 | 0.86 | 1 |
| | G1 | R354 | 3.69 | 0.91 | 0.94 | | R358 | 3.71 | 0.92 | 0.94 | | R3512 | 3.91 | 0.97 | 0.99 | | R3516 | 3.85 | 0.96 | 0.98 | | R3520 | 4.17 | 1.03 | 1.06 |
| | G2 | R704 | 3.51 | 0.87 | 0.98 | | R708 | 3.57 | 0.88 | 1.00 | | R7012 | 3.79 | 0.94 | 1.06 | | R7016 | 3.93 | 0.97 | 1.10 | | R7020 | 3.97 | 0.99 | 1.11 |
| | G3 | R1004 | 3.26 | 0.81 | 0.94 | | R1008 | 3.80 | 0.94 | 1.10 | | R10012 | 3.74 | 0.93 | 1.08 | | R10016 | 3.97 | 0.98 | 1.15 | | R10020 | 4.05 | 1.00 | 1.17 |
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